Envelop.



PATBNTED JULY 5, 1904.

w. H. IGROOM.

ENVELOP. APPLIOAT ION FILED JUNE 4. 1903. RENEWED HAY 28, 1904.

' no MODEL.

Patented July 5, 1904.

PATENT OFFICE.

WALTER HORACE CROOM, OF MEMPHIS, TENNESSEE.

ENVELOP.

SPECIFICATION forming part of Letters Patent No. 764,271, dated July 5, 1904.

Application filed June 4, 1903. Renewed May 28, 1904. Serial No. 210.283- (No model.)

1'0 all whom, it may concern:

Be it known that LWALTER HORACE CRooM,

a citizen of the United States. residing at Memphis, Shelby county, State of Tennessee, have invented certain new and useful Improvements in Envelops, of which the following is a specification.

My invention relates to certain new and useful improvements in envelops, of which the following is a full, clear, and exact description, such as will enable any one skilled inthe art to make and use same.

In the drawings, Figure 1 is a sectional mechanical perspective taken on the line I I of Fig. 3, showing the envelop open. Fig. 2 is a similar view of the top end of the envelop, showing flaps in place closing it. Fig. 3 is a section on the line III III of Fig. 1, showing method of finishing the edges of the envelop. Fig. 4 shows to about one-half scale the blank for the envelop.

- Referring now to the drawings, in which likenurnerals indicate the same or like parts in all the views, the envelop is made of 'four rectangular side pieces 1, 2, 3, and 4 of equal widths and lengths, which form the sides and one edge,.two side flaps 5 and 6, which form the remaining edge, two bottom flaps 7 and 8, which form the bottom, two top flaps 9 and 10, which form the top closure, and, if so desired, two reinforcing-flaps 11 and 12, which when used are turned down, as shown by the dot-and-dash lines 13, and are pasted to their respective side pieces 1 and 4 to'reinforcethe top of the envelop. Since, however, these reinforcing-strips may be omitted, if so desired,

with paste or glue up to the line 15 on the side pieces 1 and 4 and on' the side flap 5 and cov cring, therefore, everything except the portion covered by the flap 8, the upper part of the said side pieces, and the top flaps 9 and 10. The reinforcing-flaps 11 and 12 are then folded on the lines 16 and down against the sides 1 and 4, respectively, leaving an inner surface free from glue across the entire up' per end excepting the side flap 6. The blank is then folded along the line 17, (same being a continuation of the line 14,) and the sides 1 and 3 and 2 and 4 are. pasted together. While still wet these blanks are then folded along the line 18, the inner surface of 1 coming against and adhering to the sized side of the flap 8. The outer edge of the sides 2 and 4 is opened, the fiap o inserted, and the sides again pressed together.

iceable, while at the top two pockets 19 and 20 are formed, as shown in'Fig. 1. These pockets while shown for convenience as appreciably open are in reality simply the unglued top portion of the bag, and their sides in reality lie close together. To close the bag, it is only-necessary to insert the flap 10 in the pocket 19 and the flap 9 in the pocket 20, giving thereby a bag with a double or reinforced top. The flaps 9 and 10 can each or either be coated with mucilage and sealed, if so desired, though; the bag being primarily intended for fourth-class matter is preferably not sealed. When in the form of a flat bag or envelop, it can be readily inserted in the type-writer for addressing, as it has no metal or other bulky closing devices.

While I have described an envelop, it is of course understood that the'word is used generically as covering both envelops and bags.

Having now fully described my invention, what I claim, and desire to secure by Letters Patent in the United States, is

1. In an envelop-mouth closure, an envelop having its sides formed of two thicknesses of material ununited at the mouth, leaving opposite pockets extending down from said mouth, a tongue extending upward from the site side and adapted to be folded over the first tongue, when same has been folded, and into the opposite pocket.

2. An envelop comprising a body formedof vtwo thicknesses of material, sealed together .except at their upper edges where they are mouth and sealed together below said point forming thereby oppositely-disposed pockets at the mouth of the bag, a tongue extending upward from the inner thickness of the material on one side and adapted to be folded over into the opposite pocket; a tongue extending upward from the outer thickness of material on the opposite side and adapted to be folded over the first-mentioned tongue, when same has been folded into its pocket, and into the pocket of the opposite side.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

WALTER HORACE CROOM.

Witnesses:

WV. WV. Lrr'rY, J. H. W uATnunFonn. 

